Atomic Structure and the Periodic Table Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. What is the relative mass of a neutron compared to a proton?
- A. Approximately the same
- B. Half the mass of a proton
- C. Twice the mass of a proton
- D. Much lighter than a proton
2. An atom has a proton number of 8. How many protons are in its nucleus?
- A. 4
- B. 8
- C. 16
- D. Cannot be determined
3. An atom of chlorine has a proton number of 17 and a mass number of 35. How many neutrons does it contain?
- A. 17
- B. 18
- C. 35
- D. 52
4. Which statement about the electronic configuration of sodium (Na, proton number 11) is correct?
- A. It has 3 occupied electron shells with 1 electron in the outer shell
- B. It has 2 occupied electron shells with 11 electrons in the outer shell
- C. It has 4 occupied electron shells with 1 electron in the outer shell
- D. It has 3 occupied electron shells with 3 electrons in the outer shell
5. An element is in Group VII of the periodic table and period 3. Which of the following correctly describes its atomic structure?
- A. 7 occupied electron shells with 7 electrons in the outer shell
- B. 3 occupied electron shells with 7 electrons in the outer shell
- C. 7 protons and 3 neutrons
- D. 3 occupied electron shells with 3 electrons in the outer shell